This paper introduced the principles and methods of historical reconstruction of Marine contamination based on high resolution molecular (element) stratigraphical records.
本文介绍了运用高分辨率的分子(元素)地层学记录来研究海洋污染历史的原理和方法。
In this paper, the natures, sources and characteristics of radioactive contamination are presented and particularly all kinds of radioactive contamination affecting the human lives are introduced.
介绍了放射性污染性质、来源和特点，重点介绍了各种影响人类生活的放射性污染。
We consider the problem of trace contamination being introduced accidentally during the production of ruminants feedstuffs containing constituents of animal origin.
我们认为，问题的痕量污染正在推行生产过程中不小心的反刍动物饲料含有动物成分的原产地。
Electric Stainless Steel boilers are ideal for clean steam generation in that they can be located near the process reducing contamination introduced by steam piping.
我们公司的电子不锈钢锅炉，主要应用于蒸汽管路中需要减少污染物的洁净蒸汽领域。
The principle and running mode of the technology was introduced and the influence of cycle-time-setting on contamination-removing was studied in this paper.
介绍了智能型六箱一体化活性污泥脱氮除磷工艺的运行方式及原理，并研究了周期设置对污染物去除的影响。
The present situation of the groundwater contamination caused by carbon tetrachloride and the pollution control techniques at home and abroad are introduced in this paper.
重点分析了国内外地下水四氯化碳污染的现状和治理技术研究进展。
We noted that after the carboxyl groups and amino groups were introduced to Sephadex, the resistance of the carrier to microbial contamination was largely increased.
作者还观察到当多糖类载体引入氨基或羧基后，大大增强了其抵抗微生物侵蚀的能力。
We noted that after the carboxyl groups and amino groups were introduced to Sephadex, the resistance of the carrier to microbial contamination was largely increased.
作者还观察到当多糖类载体引入氨基或羧基后，大大增强了其抵抗微生物侵蚀的能力。
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